In this photo released by the USGS, a plume of steam is seen rising from a newly discovered thermal feature near Nymph Lake in Yellowstone National Park, Sept. 1, 2024, near Mammoth Hot Springs, Wyo. (Mike Poland/USGS via AP)
March 24, 2025
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March 24, 2025 1:50 p.m.
A new thermal steam vent is grabbing attention in ever-changing Yellowstone National Park
Mike Poland, scientist in charge of the observatory, said Monday that such features are often forming and constantly changing in Yellowstone.